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The title says it all. This clearly written, easy to follow, and scientifically grounded guide provides a step-by-step map to effective self-improvement. Already widely known and respected in professional circles, Dr. Norcross has now shared his work for use by everyone. – Gerald P. Koocher, PhD, past president of the American Psychological Association

Finally, a self-help book based on solid scientific evidence by psychology’s smartest myth-buster. The science of change has finally arrived, and the you who starts this book won’t be the you who finishes it. – Daniel Gilbert, PhD, Professor of Psychology, Harvard University